ATTACK OF THE GIANT TEACHER is a classic style tokusatsu film that tells the story of Kenzo Miyazawa, an earnest teacher who works at a night school. His class is filled with unique and slightly odd students. Suddenly, the night school witnesses a drop in student numbers and has no choice but to shut down by the end of the year. Mr. Miyazawa’s class decides to create a musical for the school’s last festival. Then, an alien beast invades Earth and begins destroying the town. Mr. Miyazawa challenges the alien beast to a fight.

Maekawa, who lost his wife, finds an ad for a private art tutor and becomes interested. When he makes an inquiry, Aimi answers the phone and tells him that no one has applied, and he ends up becoming a student. When Maekawa visits Aimi's home to take her lessons, he is captivated by her youth, beauty and sexy body...